An election to the 57th Parliament of the United Kingdom for the constituency area of Westmorland and Lonsdale, held as part of the general election on 8 June 2017.
Liberal Democrats hold by Tim Farron with a majority of 777 - 1.5% - on a turnout of 77.9%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| FARRON, Tim | LD | 23,686 | 45.8% | -5.7% |
| AIREY, James | Con | 22,909 | 44.3% | 11.1% |
| ALDRIDGE, Eli | Lab | 4,783 | 9.3% | 3.8% |
| FISHFINGER, Mr | Ind | 309 | 0.6% | - |
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.
An electorate of 66,391, having a valid vote count of 51,687 and an invalid vote count of 81.
Result declared at 03:25 on 9 June 2017.